.w {
  width: 1240px;
  margin: 0 auto;
}

.homePage > .banner {
  height: 500px;
}

.homePage > .banner img {
  height: 100%;
}

.left-box {
  width: 250px;
  background: #2e2728;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 111;
  height: 100%;
}

.left-box p {
  line-height: 50px;
  margin: 0;
  padding-left: 40px;
}

.left-box p:hover {
  background: #27ba9b;
}

.left-box p:hover .right-box {
  display: block;
}

.left-box p a {
  margin-right: 5px;
  color: #fff;
  font-size: 14px;
}

.left-box p a:first-child {
  font-size: 16px;
}

.right-box {
  width: 1000px;
  height: 100%;
  background: #ededed;
  position: absolute;
  left: 249px;
  z-index: 111;
  top: 0;
  display: none;
}

.right-box h2 {
  margin-top: 10px;
}

.right-box h2 span {
  font-size: 16px;
  margin-left: 10px;
  color: #888;
}

.right-box .goods {
  display: flex;
  flex-wrap: wrap;
}

.homePage {
  position: relative;
}

.arrow {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.2);
  text-align: center;
  line-height: 44px;
  color: #fff;
  font-size: 25px;
  top: 50%;
  margin-top: -22px;
  opacity: 0;
  transition: .2s linear;
  position: absolute;
}

.arrow.show {
  opacity: 1;
}

.arrow:hover {
  opacity: 1;
}

.arrowLeft {
  left: 270px;
}

.arrowRight {
  right: 20px;
}

.dots {
  list-style: none;
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  overflow: hidden;
}

.dots li {
  float: left;
  width: 20px;
  height: 20px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 50%;
  cursor: pointer;
}

.dots li:not(:first-child) {
  margin-left: 12px;
}
